Mechanical movement.



N0. 853,514. PATENTED MAY 14. 1907. F. LEEMING & G. HUDSON. MECHANICAL MOVEMENT.

APPLICATION FILED 176.28. 1905.

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fun. 853,514. PATENTEDMAY 14, 1907.

- P. LEEMING a; 0. HUDSON.

, MECHANICAL MOVEMENT. I APPLICATION FILED AUG.28, 1905.

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bio/853,514; v PATENTED MAY 14, 1907 1:". LEEMING & c. HUDSON.

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In] In No. 853,514. PATENTBD MAY 14, 1907. F. LEEMING & 0. HUDSON. MECHANICAL MOVEMENT.

I APPLICATION FILED AUG. 28. 1905.

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UNITED STATES PATENT oEEIoE.

FRANK LEEMING, OF BRADFORD, AND CHARLES HUDSON, OF INGROW, .NEAR KEIGI-ILEY, ENGLAND, ASSIGNORS TO GEORGE HATTERSLEY AND SONS LIMITED, OF KEIGHLEY, ENGLAND.

MECHANICAL MOVEMENT.

Specification of Letters Patent.

Patented May 14, 1907.

Application filed August 28,1905. Serial No. 276,011.

To all whom, it may concern.-

Be it known that we, FRANK LEEMING and CHARLES HUnsoN, subjects of the King of Great Britain, and residents, respectively, of 12 Far Olifie Terrace, Bradford, and 34 Broornhill avenue, Ingrow, near Keighley, both in the county of York, England, have invented certain new and useful Improvements in Mechanical Movements, of which the following description, taken with the annexed il ustration, is a specification.

The mechanical movement to which our invention relates is of the class wherein rotary segment wheels are employed for transmit ting intermittent rotary motion to partly toothed wheels the former looking or firmly holding the latter against rotation during their periods of inaction, said mechanisms be ing mostly employed for operating the shut-- ole-boxes and picking motions oi looms, and our said invention consists in so shaping and constructing these devices that they are made strong and. durable and afford eflicient means for effecting the looking or holding of the parts to be retained in position.

In carrying our invention into effect we construct and shape the several parts as hereinafter described and as illustrated by the accompanying drawings, wherein Figure 1 is an elevation illustrating the segment and its partly toothed wheel as-in position where the former is finishing the movement it has to transmit to the latter. Fig. 2 is a similar view to Fig. 1 but shows the segment wheel as passing over the part on the other wheel where it has finished its moving actions thereon. Fig. 3 is an end elevation of a portion of'a loom showing-the application of our improved device for operating the picking motions of same. Fig. 4 illustrates our device as driven by a yielding coupling for purposes hereinafter explained. Fig. 5 is a similar view to Fig. 3 but shows our devices as a plied for operating the picking motion of a com. Figs. 6, 7, 8, 9 and 10 are, each of them, representations in both side eleva' tions and plan, of some of the details of the mechanism, said figures being grou ed in pairs for clearness of comparison of t e two views of each figure. Fig. 1]. is a plan view of the parts shown in Fig.3, but drawn to the scale of Fig. 4. Fig. 12 represents a section on line g -'y of Fig. 3, but drawn to the scale of Fig. 4.

The device consists of a segment drum 9 having a central web 3 from which extend. the two parts of the hub 20 and 2]. said hub being concentric with the rim of the segment drum 9. Over the hubs 20 and 21 are arranged to fit the segment wheels 6 and f respectively, their fitting upon said hubs and against the edges of the drum being such as to allow them freedom for lateral movement thereon, While when these parts 9 and e, f are fixed upon a rotary shaft they will transmit intermittent rotary motion to parts hereinafter described.

The partly toothed wheels 0 and d have their two sets of teeth in diflerent planes on their hubs and in each set of teeth there are those as and y which gear with the teeth of the segment wheels 6, f and parts 00 and M which when turned over will fit against the periphery of the drum 9 as well as against one or other of the rims e or J, adjoining the teeth on the segments e and f. On said partly toothed wheels there are also other parts :0 and 'y which are shaped to take over the outer or peripheral edge of an elongated tooth on the segment wheel 6 or f It is to be understood that the illustration of the wheelsc and e in Figs. 1, 2, 11 and 12 will apply equally as well to wheels d and f respectively, the wheels 0 and at being alike and the wheels e and f being alike.

The teeth of the segments 6 and f are arranged to take each partly toothed wheel a and d through about half a revolution, the

completion of said half revolution of motion being efiected by the edge g of the drum 9 coming into contact with the hollowed inner edge of the part 00 or g on the wheel 0 or d bringing this latter to fit overor against the periphery of the drum g as well as over the rim e or f 2 at which place or in which position it will remain notwithstanding any continued rotary action of the segment 6 or f until said segment 2 or f is slid'laterally upon its hub 20 or 21 so that its teeth are brought into line with the other set of teeth on the wheel 0 or d to transmit motion thereto in like manner.

To prevent the wheel 0 or d from being moved by the edge 9 of the drum 9 as above described whenever this latter is passing beneath same and during the time said wheel 0 or d is required to be stationary, we prolong or elongate the last tooth e, f so that it takes against the part m or y on the Wheel 0 or (Z by which means a double or fortifying locking action is effected just at the place de sired so that all the movements of the several parts are carried out with great precision and the parts operated'by these devices are carried through their exact paths of motion to which they are most accurately limited.

In cases where it is found necessary to rotate the shaft on which the segment 6 and its drum 9 are mounted, in a direction opposite to that for which said segment is formed to operate its wheel 0 or (i such as that indicated by the arrow 23 of Fig. 4, we mount the drum 9 upon a hub 24 having an indent 25 for the reception of a projecting part 26 on a spring operated lever 27 carried by said drum g, thus on the parts being moved in the said opposite direction, when the tooth e or f comes into contact with the part :c the spring of the lever 27 is overcome and its projection is forced out of the indent in this manner liberating the parts without causing breakages or damage of any kind.

As has been stated, the present invention is particularly applicable to mechanism for operating the shuttle-boxes and picking motions of looms. In Fig. 5 we illustrate some of the parts of a loom; for instance, the shaft h on which the lay sword 7(: is mounted, the latter having the lay or s1 ayboard 7c and a tier of shuttle boxes m. Cranks a and I), mounted to rotate with the wheels e and f, operate the shuttle boxes by means of connecting rods p.

Such being the nature and object of our inventi on, what we claim is 1.. In a mechanical movement, a segment drum, a segment wheel mounted to slide on said drum and having a hollowed portion, a partly toothed wheel formed to engage with the segment wheel and the segment drum, a portion of the latter being arranged to come into contact with the hollowed portion of the former substantially as herein specified.

2. In a mechanical movement, a segment drum, a segment wheel mounted to slide thereon said wheel having an elongated tooth as described, a partly toothed wheel for engaging with said segment wheel said partly toothed wheel having teeth and parts to engage with the teeth and periphery of the segment wheel and drum substantially as herein specified.

In testimony whereof we have hereunto afiixed our signatures in presence of two wit nesses.

FRANK LEEMING. CHARLES HUDSON.

Witnesses to both signatures:

GEORGE PEARSON HOLMES, JOHN WI-IITEHEAD. 

